Unboxing Android USB: A hands on approach with real world examples

Chapter     2

Discovering and Managing USB Within Android

What you will learn:

• USB Service
• USB Device Manager
  • Architecture and Design Flow
  • Example Application – USB Functionality Viewer
• USB Host Manager
  • Architecture and Design Flow
  • Example Application – USBView
• Conclusion

An important first step in managing a device or resource is to detect and identify the device or resource from the system. This is the first step at the start of the program. To detect a resource, programs generally adapt mechanisms like polling, interrupt, or event, and then get to know the availability. Once a device or resource is detected and available, the program will try to take control of the resource to manage it. Similarly, Android USB framework has to provide ...